Ignition-timer wiring assembly



y 2, 29.. N. B. PARSONS ET AL 1.719.022

IGNITION TIMER WIRING ASSEMBLY Filed June 25. 1926 Jwmsl. Moat/499 Fax/M67011!) hm WWE Patented July 2, 1929.

UNITED STATES it i 1,719,022

PATENT OFFICE.

NEWELL B. PARSONS, OF LAGRANGE, JAMES E. WQODRUFF, OF CHICAGO, AND FRANK A. TIBBALS, OF RIVERSIDE, ILLINOIS, ASSIGNOBS T0 BELDEN MANUFACTURING COMPANY, OF CHIGAGO, ILLINOISyA GORPOTRATIOIITOF ILLINOIS.

IGNITION-TIMER WIRING ASSEMBLY. i

Application filed June 25, 1926. Serial No. 118,415,

This invention relates to wiring assemblies tor use in connection with ignition timers such as are used on internal combustion engines, and more particularly to assemblies for use in connection with timers such as are used on the engine of a Ford automobile.

The objects of the invention are-to provide means for conveniently connecting the necessary conductors to the binding posts of a timer which is mounted in a comparatively inaccessible place on an engine; to prevent transposing of the conductors, ,to provide means whereby the ends of a plurality of conductors which are to be connected to the V timer may be mounted so as to be handled as a unitary structure, and collectively connected to the timer, and thereby eliminate the necessity of individual handling of each conductor; to provide means for retaining the conductors adjacent the timer so as to avoid the danger of my to said conductors by accidental engagement with a moving part oi the engine, and to provide means for protecting the conductors to a large extent from oil and grease, which ordinarily disintegrate the usual insulation used on the conductors.

Other objects are to provide an assembly proved term of wire terminal. which is par ticularly adapted to the present purpose, and which will not require the use of solder for fastening to the end of the wire.

Further objects of the invention are to provide a wiring assembly which may be easily and inexpensively manufactured, which will be strong and rigid in construction, yet light in weight; and still further objects will become apparent when the following specification is considered. in connection with the accon'ipanying drawing wherein a selected embodiment oi the invention is illustrated, and in which r 1 Figs. 1 and 2 are respectively plan and clevation views of the assembly connected to a timer of ordinary construction. b b

. Fig. 3 is an elevation of the assembly dis connected from the timer. i

Q In the la st mentioned figures,

Fig. 4 is a planet the terminal of one the which are connected to suitable contact segments within. the timer. The segments are held in. place within the timer partly by means of nuts 12 threaded on the binding posts 11, which are screwed down against the outside of the timer casing, aninsulating washer 13 being interposed therebetween to prevent the establishment of electrical contact between the nut 12 and the timer casing. A suitable car 14 is secured to the timer and adapted to receive an adjusting rod which is connected with the spark control lever in accordance with well known practice. The timer 10 is mounted so as to be capable of being oscillated about its axis for the purpose of advancing or retarding the spark, which is also in accordance with well knownpractice.

The wiring assembly for use in connection with a timer of the above described construction comprises a band or strip 15 preferably of insulating material which extends part way around the cylindrical portion 16 of the timer. Theband 15 is preferably shaped to be circular or arcuate in form and is provided with suitable apertures indicated at 17, through which the binding posts 11 of the timer may project. The strip is of sufficient lengtlrto receive the required number of apertures and it is'preterably of a width which will require the provision of such means as a notch let to receive the timer ear 14: in order to permit proper connection of-the wiring assembly and the timer. By this means, trans posing of the conductors is prevented. Each of the apertures 17 is-provided with a wire terminal or contact member 18 which preferably comprises a tubularrivet-like structure 19 and with holding means 20as best shown in Figs; 4; and 5. j

p it will be observed that t-hetubular rivet-like end or head end of the terminal or contact member 18,

comprises the tubular portion 21, having an integral top flange 22. Before application of i the contact member 18 to the strip 15, the

with arecess in'its under face, as indicated at 24, which is adapted to receive the hatred end '25 of one of the conductors'26, which'will be bent around the tubular portion 21, so as to forma substantially closed loop about the said tubular ortion as bestshown in Fig. 4. The wire ho ding means 20 comprises an extension'27, of'the' top shoulder 22, and is provided withears :28 and 29 extending from i either'side thereof. These ears'inay conven- I I the closed loop'25. f

iently be wrapped around the end of the conductor 26 adjacent the'af'oresaid closed loop 25; The conductor 26 in accordance with usual pr'actice is covered with a suitable insulation, and the end of the conductor which is bared'to form thesaid closed loop, is bared from a point which will leave the insulation ion the wire underneath the extension 27 so thatthe ears 28, and 29 may be wra ped thereon to prevent further baring of t 1e wire, or "unraveling of a braided covering if such is 7 used. "The above described wire holding ineansalso serves to take up) some of the strain which would otherw se e placed upon The conductors 26 are eachprovided with terminalsfsuch as above described, and are thereby fastened to the said. strip 15. From saidter'minal fastening, the conductors are 7 {each disposed aboutthe member l5 to a cominon junction as indicated at 30, from which point they' are preferably braided together and covered by a braided covering 31, which is provided'with'a tie-piece 32. The tie-piece 32- is tn-integral extension ofthe braided coveri'ng 31, and mayconveniently be tied around the -m'ember'15' andjthe oppositely disposed conductors 26 as shown inFigs. 2 and 3. By

this means' the conductors 26 are secured to *theme'mbe'rjlii'at the "junction point so as to relieve the strain on the terminals 18.v Braid-,

. ingot theeonducto'rs together, fromthe junction 30 outwardly, serves to render the cable substantially self-s'upporting and eliminates 'the needof'spring' supporting means or'other' rneansfor preventing excessive fi ing of the ever, does leave the cable sufiiciently flexible "topermitthe necessary bending, but as noted above, prevents-excessive bending.

-wires at the'junction whereby they would be so apt to be broken. Braiding of the wires how- The naeinber15 is preferably of such material I that .i't'may be shaped to the desired "next binding post.

I ralit circular shape and will be resilient and have a spring-like tendency to retain this shape. It will thus be apparent that the member may be sprun so that it may be placed over the binding posts, which may readily be acmmplishe by placing one of the terminals in place on the proper binding post, and then pressing the portion of the member 15 intermediate the place terminal and the next one, so as to force the next one into place on the Due to the spring-like tendency of the stri 15 to assume its normalshape, the mom or will retain itself in position on the binding post and will not readily be disconnected therefrom. Since the contact members or terminals 18 are lubular in form and are provided with a fian e both on the inner and outer sides of the sin p 15, there will always be sufiicient contact between each of these terminals and its corresponding binding post to insure good electrical connection. However, binding nuts 33 may conveniently be threaded on the binding 'post .11 to tightly clamp the member 15 in place over the timer and to establish a greater area of contact between the contact members and the binding posts.

e have thus provided a. wiring assembly which accomplishes the connection of a pluof conductors to. a plurality of timer binding posts by means of a unitary structure which may be quickly and easily applied without the necessity of removing the timer from its mounting on the engine. and which may be readily oscillated with the timer to advance or retard the spark.

VVeare aware that various changes in the form and construction of parts may be made withoutdeparting from the essence of the invention, and we therefore reserve the right to make such changes as fall within the scope. of the following claims.

o claim asour invention:

' 1'. In combination, an i nition timer in cluding a shell having a piiirality of spaced and relatively insulated terinlnals proecting therefrom, and a wiring assembly comprising a flexible band, having a plurality of openings extending therethrough in spaced relation to each other for respectively receiving said terminals, a plurality of contact members insulated from each other and respectively secured'to said band adjacent said openings so as to respectively engage said terminals, said band being. ex )ansiblc to permit its application to said sheil, and a plurality of conductors respectively connected to said contact members.

2.'In combination, an ignition timer including a shell having a plurality of spaced and relatively insulated terminals projecting therefrom, and a wiring assembly comprising a flexible band, aplurality of contact members insulated from each other and secured to said band and spaced thereon so as ill) to respectively engage said terminals, said band being expansible to permit its application to said shell, a plurality of conductors respectively connected to said contact members, and means for preventing improper connection of the assembly contacts with the timer terminals.

3. The combination of a timer shell having a plurality of spaced and relatively insulated terminals projecting therefrom, and a wiring assembly comprising a. resilient arcuatc band adapted to embrace a portion only of: said shell, a plurality of contact members insulated from each other and secured to said band and spaced thereon so as to engage said terminals, and a conductor permanently secured to each of said contact members.

4:. I11 combination, an ignition timer including a shell having a plurality of terminals projecting therefrom, and a Wiring assembly comprising a resilient arcuate band shaped to embrace. only a part of said shell, a plurality of contact members insulated from each other and secured to said band and spaced thereon so as to respectively engage said terminals, a plurality of flexible conductors respectively connected to said contact members, disposed about said band to a common junction point and there secured to the band, said conductor being braided together as they leave the band whereby flexibility of the former is retained, but sharp bending adjacent the band is prevented.

5. In combination, an ignition timer including a shell having a plurality of terminals projecting therefrom, and a Wiring assembly for connecting a plurality oi. conductors to said terminals and comprising a resilient band embracing only a part of said shell, a plu 'ality of contact members insulated from each other and secured to said band, and spaced thereon so as to engage said terminals, a plurality of conductors respectively connected at their ends to said contact members, disposed about said band and grouped together at a common junction point, and means for securing said conductors to said band adjacent said junction and for preventing sharp bending of said conductors adjacent said band.

6. In combination, an ignition timer including a shell having a plurality of tern'iinals insulated from each other and spaced around its periphery, and a Wiring assembly for connecting a plurality of conductors to said terminals and comprising a resilient band of flexible material embracing a part of said shell, a plurality of relatively insulated contacts on said band and respectively engaging said terminals and retained in said engage ment by the resiliency of said band, and a plurality of conductors respectively connected to said contacts.

7. In combination, an ignition timer including a shell having a plurality of spaced and relatively insulated terminals projecting from its periphery, and a Wiring assembly for connecting a plurality of conductors to said terminals and comprising a resilient arcuate band embracing a part of said shell and maintained thereon by its resiliency, a plurality of relatively insulated contacts secured to said band, and having means for respectively receiving said terminals, and a plurality oi conductors connected respectively to said c011- ,tacts.

8. In combination, an ignition timer including a cup-shaped shell having a plurality of cireumferentially spaced and radially projecting terminals, and a Wiring assembly for connecting a plurality of conductors to said terminals and con'iprising a resilient arcuate band oil. insulating material embracing a part of said shell and maintained thereon by its resiliency, a plu ality oi. contacts secured to said band and apertured to receive said terminals and a plurality of conductors respec tively connected tosaid contacts.

9. In combination, an ignition timer ineluding a shell having a plurality of equally spaced terminals projecting radially therefrom, and a Wiring assembly for connecting a plurality of conductors to said terminals and comprising a resilient arcuate band embracing apart of said shell, a plurality o't contact-s 011 said band respectively engaging said terminals, a plurality oi conductors respectively connected to said contacts, and means for insuring correct relative engagement of said contacts With said terminals.

10. A Wiring assembly for respectively connecting a plurality of conductors to the terminals of a standard Ford timer and comprising a flexible arcuate band adapted to embrace a part of the timer, a plurality of relatively insulated contacts secured to said band in relatively fixed position and arranged thereon so as to respectively engage said terminals, and a plu 'ality oi conductors respectively connected to said contacts.

NEVVELL B. PARSONS. JAMES E. WOODRUFF.

FRANK A. TIBBALS. 

